Seiko Cal. 7171 - 550

Seiko 7171-550

The 7171-550 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7171 caliber with 20j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-be0706dd04b9]

Also known as: Tuna

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
46mm
Case Thickness
14.6mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Cream
Jewels
20j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1990

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